MANUAL SERVICE
Version: 1.0 (21-09-2005) 53
8.4 Accessing the interior of the unit
8.4.1 Recirculation units
1. Switch the unit off using the controller.
Warning:
w Disconnect the power supply (pull plug from socket
or move isolation switch to Off).
2. Remove the main cover (see section 8.5).
Tabel 8-1 Reading values in the service menu
NO. FUNCTION
20 Resetting and reconfiguring the controller (see section 8.3)
21 Current max. filter life, in weeks (1 week = 50 operational hours)
22 Software version control
23 Fault history
(23 = oldest, 27 = latest fault message)
First, the number along with the fault code 1 and,
then, the time
2 (in hours) lapsed since the occur-
rence appear in the display.
24
25
26
27
28 Number of units connected to the controller
29 Input voltage at the 0-10VDC input in tenths of Volts
30 Status of the input (1 = made)
31 Status of output O1 (on/off)
32 Status of output O2 (on/off)
33 Status of output O3 (on/off)
34 Value of change-over temperature sensor
35 Average air inlet temperature, ventilation units
36 Average air outlet temperature, ventilation units
37 Average air inlet temperature, recirculation units
38 Average air outlet temperature, recirculation units
39 Average valve position, heating
40 Average valve position, cooling
41 Target value of air outlet temperature (set by controller)
12
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